Finding the Fourth Proportional to 56,499.19, 77,968.88 and 31,348.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,499.19 : 77,968.88 = 31,348.69 : x
2. Step 2: Convert to fraction form
   56,499.19/77,968.88 = 31,348.69/x
3. Step 3: Cross multiply
   56,499.19x = 77,968.88 × 31,348.69
4. Step 4: Simplify right side
   56,499.19x = 2,444,222,014.66
5. Step 5: Solve for x
   x = 2,444,222,014.66/56,499.19
6. Step 6: Final answer
   x = 43,261.19